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A184703 as a triangular array

1
11
122
1232
13673
13914124
14122834215
1417467874356
152274156207154588
15271072824765043049110
16341544719851349116958014212
16412087441842314235712574106621515

A184703 as a square array

111111111111
12233445566
2369121722273441
2714284674107154208
3123478156282471744
421742074769851842
53515450413493142
65830411693571
8915802574
101421066
12215
15
111111111111
12233445566
2369121722273441
2714284674107154208
3123478156282471744
421742074769851842
53515450413493142
65830411693571
8915802574
101421066
12215
15